Article
Multivariable Mendelian randomization: the use of pleiotropic genetic variants to estimate causal effects.
American journal of epidemiology - 15 Feb 2015
Burgess Stephen, Thompson Simon G
Abstract excerpt
A conventional Mendelian randomization analysis assesses the causal effect of a risk factor on an outcome by using genetic variants that are solely associated with the risk factor of interest as instrumental variables. However, in some cases, such as the case of triglyceride level as a risk factor for cardiovascular disease, it may be difficult to find a relevant genetic variant that is not also associated with...
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